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【多选题】
工业机器人有哪些坐标系?
A.
基坐标系
B.
工件坐标系
C.
工具坐标系
D.
大地坐标系
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举一反三
【单选题】— He hardly spent any time on his subjects, _________? —_________, so he did badly in his lessons.
A.
didn’t he; Yes
B.
did he; Yes
C.
didn’t he; No
D.
did he; No
【单选题】So badly _____ in the car accident that he had to stay in hospital for several weeks. [     ]
A.
did he injure
B.
he injured
C.
was he injured
D.
he was injured
【单选题】So badly ______ in the car accident that he had to stay in hospital for several weeks.
A.
did he injure
B.
he injure
C.
was he injured
D.
he was injured
【单选题】禁止 进行呼吸训练的是
A.
COPD
B.
慢性限制性肺疾病
C.
咯血
D.
哮喘及其他慢性呼吸系统疾病伴呼吸功能障碍
E.
呼吸衰竭
【多选题】减小切削加工表面表面粗糙度的方法有( )
A.
采用高速切削
B.
超精密切削
C.
低粗糙度磨削加工
D.
合理使用切削液
【判断题】李约瑟问题是个伪问题
A.
正确
B.
错误
【单选题】So badly ______ in the car accident that he had to stay in hospital for several months. [     ]
A.
did he injure
B.
injured him
C.
was he injured
D.
he was injured
【单选题】So badly ______ in the accident that he had to rest for a few days at home.
A.
did he wound
B.
he was wounded
C.
he wounded
D.
was he wounded
【单选题】He plays well or badly according to his mood (心情), so he’s a very _________ player.
A.
modest
B.
easygoing
C.
temperamental
D.
calm
【单选题】禁止进行呼吸训练的是
A.
慢性阻塞性肺疾病
B.
慢性限制性肺疾病
C.
慢性肺实质疾病
D.
哮喘及其他慢性呼吸系统疾病伴呼吸功能障碍
E.
呼吸衰竭
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